/* ============================================================
   BLACKWOOD MANOR — shared styles (stage, overlays, keypad, tokens)
   ============================================================ */

:root {
  --wood-900: #0c0a0d;
  --wood-800: #16121a;
  --wood-700: #221b26;
  --wood-600: #322836;
  --wood-500: #473a4c;
  --wood-300: #8f7f92;

  --glow-amber: #f2b154;
  --glow-amber-dim: #8a5a1d;
  --glow-ghost: #b9d8e6;
  --glow-ghost-dim: #4c6b78;
  --glow-green: #59ff9c;
  --glow-blood: #c0392b;

  --paper: #e6dcbd;
  --paper-ink: #2b2418;

  --font-display: "Creepster", "Chakra Petch", cursive;
  --font-mono: "Special Elite", "Share Tech Mono", monospace;

  --stage-w: 1280;
  --stage-h: 720;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html, body {
  height: 100%;
  background: #05040a;
  overflow: hidden;
  font-family: var(--font-mono);
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

/* ---------- stage scaling ---------- */

.viewport {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.stage {
  position: relative;
  flex: none; /* flexbox must never shrink the fixed logical stage */
  width: 1280px;
  height: 720px;
  transform-origin: center center;
  overflow: hidden;
  border-radius: 6px;
  box-shadow: 0 0 90px rgba(0, 0, 0, 0.95);
}

.room { position: absolute; inset: 0; }

/* a slow, uneven candlelight/moonlight flicker over everything */
.stage::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(120% 90% at 50% 15%, rgba(0,0,0,0) 55%, rgba(0,0,0,0.35) 100%);
  z-index: 90;
  animation: flicker 7s ease-in-out infinite;
}
@keyframes flicker {
  0%, 100% { opacity: 1; }
  42% { opacity: 0.92; }
  46% { opacity: 1; }
  70% { opacity: 0.85; }
  74% { opacity: 1; }
}

.rotate-prompt {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 200;
  background: #05040a;
  color: #e6dcbd;
  text-align: center;
  padding-top: 40vh;
  font-size: 1.2rem;
  letter-spacing: 0.1em;
}
@media (orientation: portrait) and (max-width: 700px) {
  .rotate-prompt { display: block; }
}

/* ---------- generic hardware bits ---------- */

.rivet {
  position: absolute;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #7a6c80, #201a26 70%);
  box-shadow: inset 0 -1px 2px rgba(0,0,0,.8), 0 1px 1px rgba(255,255,255,.08);
}

.plate-label {
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: 0.2em;
  font-size: 11px;
  color: var(--wood-300);
  text-transform: uppercase;
}

.device { position: absolute; }

/* shared "aged paper" note look, used for every reveal across both rooms */
.paper-note {
  background: var(--paper);
  color: var(--paper-ink);
  font-family: var(--font-mono);
  box-shadow: 0 8px 18px rgba(0,0,0,.6);
}
.paper-note.hidden { display: none; }
.paper-note.revealed { display: block; animation: note-pop 0.55s cubic-bezier(.2,.8,.2,1.1); }
@keyframes note-pop {
  from { opacity: 0; transform: translateY(10px) rotate(var(--note-tilt, -2deg)) scale(.92); }
  to   { opacity: 1; transform: translateY(0) rotate(var(--note-tilt, -2deg)) scale(1); }
}

/* ---------- intro / completed overlays ---------- */

.overlay {
  position: absolute;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(4, 3, 6, 0.94);
  transition: opacity 0.5s ease;
}
.overlay.hidden { opacity: 0; pointer-events: none; }

.briefing {
  width: 640px;
  max-width: 88%;
  border: 1px solid var(--glow-amber-dim);
  background:
    linear-gradient(rgba(242, 177, 84, 0.05), rgba(242, 177, 84, 0.01)),
    var(--wood-800);
  padding: 42px 48px 36px;
  position: relative;
  box-shadow: 0 0 50px rgba(242, 177, 84, 0.1);
}
.briefing::before {
  content: "";
  position: absolute;
  top: 10px; left: 10px; right: 10px; bottom: 10px;
  border: 1px dashed rgba(143, 127, 146, 0.35);
  pointer-events: none;
}
.briefing .transmission {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--glow-amber);
  letter-spacing: 0.3em;
  margin-bottom: 14px;
}
.briefing h1 {
  font-family: var(--font-display);
  font-size: 46px;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: #f4ecd7;
  margin-bottom: 4px;
  text-shadow: 0 0 18px rgba(242, 177, 84, 0.35);
}
.briefing h2 {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.3em;
  color: var(--glow-ghost);
  margin-bottom: 20px;
  text-transform: uppercase;
}
.briefing p {
  font-size: 15px;
  line-height: 1.65;
  color: #cfc3d2;
  margin-bottom: 12px;
}
.briefing .warn {
  font-family: var(--font-mono);
  color: var(--glow-blood);
  font-size: 13px;
  letter-spacing: 0.1em;
  margin: 18px 0 24px;
}
.start-btn {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 400;
  letter-spacing: 0.2em;
  padding: 14px 44px 10px 52px;
  color: #1a0e08;
  background: var(--glow-amber);
  border: none;
  cursor: pointer;
  clip-path: polygon(12px 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%, 0 12px);
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.start-btn:hover { transform: translateY(-2px); box-shadow: 0 6px 30px rgba(242, 177, 84, 0.5); }
.start-btn:active { transform: translateY(1px); }

.completed .briefing { border-color: var(--glow-green); box-shadow: 0 0 60px rgba(89, 255, 156, 0.18); }
.completed .escaped-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 58px;
  letter-spacing: 0.04em;
  color: var(--glow-green);
  text-shadow: 0 0 24px rgba(89, 255, 156, 0.6);
  margin-bottom: 14px;
}

/* ---------- shared: letter keypad (final puzzle) ---------- */

.keypad {
  background: linear-gradient(180deg, var(--wood-600), var(--wood-700));
  border: 2px solid #0a0709;
  border-radius: 10px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.06), 0 10px 24px rgba(0,0,0,.6);
  padding: 14px 16px 10px;
}
.keypad .plate-label { display: block; text-align: center; margin-bottom: 8px; }
.keypad .readout {
  font-family: var(--font-mono);
  text-align: center;
  font-size: 22px;
  letter-spacing: 0.42em;
  padding: 5px 0 3px 8px;
  margin-bottom: 12px;
  color: var(--glow-green);
  background: #050a08;
  border-radius: 4px;
  border: 1px solid #000;
  box-shadow: inset 0 2px 8px rgba(0,0,0,.9);
  min-height: 34px;
  text-shadow: 0 0 8px rgba(89,255,156,.7);
}
.keypad .keys {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}
.keypad .key {
  aspect-ratio: 1;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 18px;
  color: #ece3d2;
  background: radial-gradient(circle at 35% 30%, #5a4a60, #201a26 75%);
  box-shadow: 0 4px 0 #08060a, inset 0 1px 1px rgba(255,255,255,.14);
  transition: transform 0.06s ease, box-shadow 0.06s ease;
}
.keypad .key:active {
  transform: translateY(3px);
  box-shadow: 0 1px 0 #08060a, inset 0 1px 1px rgba(255,255,255,.1);
}
.keypad .clear-btn {
  display: block;
  width: 100%;
  margin-top: 6px;
  padding: 6px 0;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--wood-300);
  background: linear-gradient(180deg, var(--wood-600), var(--wood-700));
  border: none;
  border-radius: 6px;
  box-shadow: 0 3px 0 #08060a, inset 0 1px 1px rgba(255,255,255,.08);
  cursor: pointer;
  transition: transform 0.06s ease, box-shadow 0.06s ease, color 0.12s ease;
}
.keypad .clear-btn:hover { color: #ece3d2; }
.keypad .clear-btn:active {
  transform: translateY(2px);
  box-shadow: 0 1px 0 #08060a, inset 0 1px 1px rgba(255,255,255,.08);
}

/* ---------- mute button ---------- */
.mute-btn {
  position: absolute;
  right: 12px; top: 10px;
  z-index: 95;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--wood-300);
  background: rgba(10, 8, 12, 0.7);
  border: 1px solid var(--wood-500);
  border-radius: 4px;
  padding: 4px 10px;
  cursor: pointer;
}
.mute-btn:hover { color: #ece3d2; }